305 ILCS 5/6-1.2
Income available to the person, when added to contributions in money, substance, or services from other sources, including contributions from legally responsible relatives, must be insufficient to equal the grant amount established by Department regulation (or by local governmental unit in units which do not receive State funds) for such a person.
In determining income to be taken into account:
"Earned income" means money earned in self-employment or wages, salary, or commission for personal services performed as an employee. The eligibility of any applicant for or recipient of public aid under this Article is not affected by the payment of any grant under the "Senior Citizens and Persons with Disabilities Property Tax Relief Act", any refund or payment of the federal Earned Income Tax Credit, any rebate authorized under Section 2201(a) of the Coronavirus Aid, Relief, and Economic Security Act ( Public Law 116-136 ) or under any other federal economic stimulus program created in response to the COVID-19 emergency, or any distributions or items of income described under subparagraph (X) of paragraph (2) of subsection (a) of Section 203 of the Illinois Income Tax Act.
305 ILCS 5/6-1.2